Finding the Fourth Proportional to 82,018.18, 113,186.28 and 45,718.66

Step by Step Solution

1. Step 1: Write the proportion equation
   82,018.18 : 113,186.28 = 45,718.66 : x
2. Step 2: Convert to fraction form
   82,018.18/113,186.28 = 45,718.66/x
3. Step 3: Cross multiply
   82,018.18x = 113,186.28 × 45,718.66
4. Step 4: Simplify right side
   82,018.18x = 5,174,725,051.98
5. Step 5: Solve for x
   x = 5,174,725,051.98/82,018.18
6. Step 6: Final answer
   x = 63,092.42